Tree stand



FIG. 1 is a front perspective view of a tree stand showing my newdesign;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a perspective sectional view taken in the direction of thearrows on line 4--4 of FIG. 2.

The ornamental design for a tree stand, as shown.